package cn.edu.cqut.ex2;



public class Verture {
    double speed;
    int power;
    void speedDown(int d)
    {
        speed -=d;
    }
    void speedUp(int s)
    {
        speed+=s;
    }
  int getPower()
  {
      return power;
  }
  void setPower(int p)
  {
      power=p;
  }
  double getSpeed()
  {
      return speed;
  }
}
